I probably didn't save any labor since my brother did it and he isn't very fast, but we saved about 2/3 on the materials I seem to remember.

Rats might eat it but if they had a notion they could chew the copper too I bet.

Tom W

__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.